2048780519 has 4 divisors (see below), whose sum is σ = 2068671696. Its totient is φ = 2028889344.

The previous prime is 2048780509. The next prime is 2048780527. The reversal of 2048780519 is 9150878402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9150878402 = 2 ⋅4575439201.

It is a cyclic number.

It is not a de Polignac number, because 2048780519 - 2²⁰ = 2047731943 is a prime.

It is a super-2 number, since 2×2048780519² = 8395003230067818722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2048780519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2048780509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9945434 + ... + 9945639.

It is an arithmetic number, because the mean of its divisors is an integer number (517167924).

Almost surely, 2^2048780519 is an apocalyptic number.

2048780519 is a deficient number, since it is larger than the sum of its proper divisors (19891177).

2048780519 is a wasteful number, since it uses less digits than its factorization.

2048780519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19891176.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 2048780519 is about 45263.4567725444. The cubic root of 2048780519 is about 1270.0821487771.

The spelling of 2048780519 in words is "two billion, forty-eight million, seven hundred eighty thousand, five hundred nineteen".